Hi Remi-san, I have one question. On 2011/09/14, at 2:42, Rémi Després wrote:
> > Le 13 sept. 2011 à 18:08, <mohamed.boucad...@orange-ftgroup.com> a écrit : > >> Hi Rémi, >> >> Thank you or your answer but my question was not on the CPE side but the >> operations at the border router side. > > The point is that, with the new 4rd, an AFTR that sends an IPv4 packet to a > CPE doesn't need to know the length of the CPE IPv6 prefix of that BR. > This is a major difference with the old 4rd where this length was a rule > parameter. (It is now a parameter only with the CPE-cascade option, to be > ignored for this discussion.) > > As detailed in Figure 2, the BR includes in the subnet prefix of the IPv6 > address L bits from the A+P port. > This length L is 14 bits unless it has to be limited for this prefix to fit > into 64 bits. Regarding the 4rd CEs are not cascaded, do you assume that the BR imply 64 bits length for all CE's prefix length if the absence of CE IPv6 prefix length configuration? cheers, --satoru _______________________________________________ Softwires mailing list Softwires@ietf.org https://www.ietf.org/mailman/listinfo/softwires
